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Speaker diagnostics based upon driving-point impedance

Info

Publication number
WO2006065473A3
WO2006065473A3 PCT/US2005/042297 US2005042297W WO2006065473A3 WO 2006065473 A3 WO2006065473 A3 WO 2006065473A3 US 2005042297 W US2005042297 W US 2005042297W WO 2006065473 A3 WO2006065473 A3 WO 2006065473A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
speaker
signal
impedance
driving
voice
Prior art date
Application number
PCT/US2005/042297
Other languages
French (fr)
Other versions
WO2006065473A2 (en )
Inventor
Peter M Pavlov
Jason D Mcintosh
David M Yeager
Original Assignee
Motorola Inc
Peter M Pavlov
Jason D Mcintosh
David M Yeager
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • H04R29/001Monitoring arrangements; Testing arrangements for loudspeakers
    • H04R29/003Monitoring arrangements; Testing arrangements for loudspeakers of the moving-coil type

Abstract

A speaker (100) having a diagnostic capability, as well as a circuit (101) and related methods (500) for performing speaker diagnostics based upon a driving-point impedance are provided. The speaker includes a flexible cone (104) and a voice coil (106) connected to the flexible cone for driving the flexible cone so as to convert electrical signals into sound. The speaker also includes a signal source (110) connected to the voice coil for supplying a test signal to the voice coil. The speaker further includes a signal sensor (112) electrically connected to the voice coil for sensing a response signal occurring in response to the test signal. Additionally, the speaker includes a condition determining module (114) for determining a driving-point impedance based upon the response signal and for comparing the driving-point impedance to a predetermined impedance to thereby determine a condition of the speaker.
PCT/US2005/042297 2004-12-15 2005-11-22 Speaker diagnostics based upon driving-point impedance WO2006065473A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11012576 US7106865B2 (en) 2004-12-15 2004-12-15 Speaker diagnostics based upon driving-point impedance
US11/012,576 2004-12-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20050849354 EP1829422A4 (en) 2004-12-15 2005-11-22 Speaker diagnostics based upon driving-point impedance

Publications (2)

Publication Number Publication Date
WO2006065473A2 true WO2006065473A2 (en) 2006-06-22
WO2006065473A3 true true WO2006065473A3 (en) 2006-08-17

Family

ID=36583888

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/042297 WO2006065473A3 (en) 2004-12-15 2005-11-22 Speaker diagnostics based upon driving-point impedance

Country Status (4)

Country Link
US (1) US7106865B2 (en)
CN (1) CN101080946A (en)
EP (1) EP1829422A4 (en)
WO (1) WO2006065473A3 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008036992A3 (en) * 2006-09-28 2008-10-30 Av Digital Audio Videotechnik Method and measuring device for monitoring loudspeaker systems
WO2009010056A1 (en) * 2007-07-16 2009-01-22 The Tc Group A/S Method of determining a class of a load connected to an amplifier output
KR101434302B1 (en) * 2007-07-25 2014-08-27 삼성전자주식회사 Method for detecting badness speaker and the sound apparatus using the same
EP2048896B1 (en) 2007-10-12 2011-12-21 STMicroelectronics Srl Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
EP2094030B1 (en) * 2008-02-21 2012-06-20 STMicroelectronics Srl Method for testing the operating conditions of an electric network and apparatus using said method
EP2120485B1 (en) * 2008-04-28 2014-10-08 Harman Becker Automotive Systems GmbH Load detection
US8189429B2 (en) 2008-09-30 2012-05-29 Apple Inc. Microphone proximity detection
US8401178B2 (en) 2008-09-30 2013-03-19 Apple Inc. Multiple microphone switching and configuration
US8098838B2 (en) 2008-11-24 2012-01-17 Apple Inc. Detecting the repositioning of an earphone using a microphone and associated action
WO2011036815A1 (en) * 2009-09-28 2011-03-31 株式会社 東芝 Monitoring device
US8401200B2 (en) 2009-11-19 2013-03-19 Apple Inc. Electronic device and headset with speaker seal evaluation capabilities
CN102870150B (en) * 2009-12-09 2016-07-06 照明器控股有限公司 System and method for monitoring the transport vehicle sign system
WO2011106686A1 (en) 2010-02-25 2011-09-01 Luminator Holding Lp System and method for wireless control of signs
CN102892058A (en) * 2011-07-18 2013-01-23 中兴通讯股份有限公司 Method and device for automatically regulating volume
EP2642769B1 (en) * 2012-03-20 2017-12-13 Nxp Bv A loudspeaker drive circuit for determining loudspeaker characteristics and/or diagnostics
US9781529B2 (en) 2012-03-27 2017-10-03 Htc Corporation Electronic apparatus and method for activating specified function thereof
CN105302287A (en) * 2014-07-09 2016-02-03 宏达国际电子股份有限公司 Electronic device and electronic method of starting specific functions
US20140241536A1 (en) * 2013-02-27 2014-08-28 Analog Devices A/S Method and detector of loudspeaker diaphragm excursion
US9277341B2 (en) * 2013-03-15 2016-03-01 Harman International Industries, Incorporated System and method for producing a narrow band signal with controllable narrowband statistics for a use in testing a loudspeaker
US20140286502A1 (en) * 2013-03-22 2014-09-25 Htc Corporation Audio Playback System and Method Used in Handheld Electronic Device
EP2890160A1 (en) 2013-12-24 2015-07-01 Nxp B.V. Loudspeaker controller
KR101752655B1 (en) 2016-10-21 2017-06-30 시그마엘텍(주) Defect detection method of speaker enclosure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6064742A (en) * 1997-08-04 2000-05-16 Gold Line Connector, Inc. Audio impedance/calculated power meter
US6879693B2 (en) * 2002-02-26 2005-04-12 Otologics, Llc. Method and system for external assessment of hearing aids that include implanted actuators
US20050175195A1 (en) * 2004-02-10 2005-08-11 Cheney Maynard C.Jr. Detecting connectivity of a speaker

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5973737A (en) * 1982-10-20 1984-04-26 Matsushita Electric Ind Co Ltd Speaker system inspecting apparatus
DE19712571C1 (en) * 1997-03-25 1998-06-10 Becker Gmbh Automobile amplifier with overload protection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6064742A (en) * 1997-08-04 2000-05-16 Gold Line Connector, Inc. Audio impedance/calculated power meter
US6879693B2 (en) * 2002-02-26 2005-04-12 Otologics, Llc. Method and system for external assessment of hearing aids that include implanted actuators
US20050175195A1 (en) * 2004-02-10 2005-08-11 Cheney Maynard C.Jr. Detecting connectivity of a speaker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1829422A4 *

Also Published As

Publication number Publication date Type
EP1829422A4 (en) 2009-06-10 application
EP1829422A2 (en) 2007-09-05 application
US20060126857A1 (en) 2006-06-15 application
US7106865B2 (en) 2006-09-12 grant
CN101080946A (en) 2007-11-28 application
WO2006065473A2 (en) 2006-06-22 application

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